It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 377 649 166 is not a prime number.
For example, 377 649 166 can be divided by 2: 377 649 166 / 2 = 188 824 583.
For 377 649 166 to be a prime number, it would have been required that 377 649 166 has only two divisors, i.e., itself and 1.
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377 649 166 is an even number, because it is evenly divisible by 2: 377 649 166 / 2 = 188 824 583.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 377 649 166 is about 19 433.198.
Thus, the square root of 377 649 166 is not an integer, and therefore 377 649 166 is not a square number.
The square of a number (here 377 649 166) is the result of the product of this number (377 649 166) by itself (i.e., 377 649 166 × 377 649 166); the square of 377 649 166 is sometimes called "raising 377 649 166 to the power 2", or "377 649 166 squared".
The square of 377 649 166 is 142 618 892 580 495 552 because 377 649 166 × 377 649 166 = 377 649 1662 = 142 618 892 580 495 552.
As a consequence, 377 649 166 is the square root of 142 618 892 580 495 552.
377 649 166 is a number with 9 digits.
The multiples of 377 649 166 are all integers evenly divisible by 377 649 166, that is all numbers such that the remainder of the division by 377 649 166 is zero. There are infinitely many multiples of 377 649 166. The smallest multiples of 377 649 166 are: